Parameter configuration of Caterpillar 312D2GC excavator
Working weight (kg)12500
Bucket capacity (m³)0.53
Boom length (mm)4650
Rod length (mm)2500
Tonnage (tons)12
property
Rotation speed (rpm)11.2
Rotary torque (Nm)30.9
Walking speed (km/h)5.1
Ground specific pressure (Kpa)40.4
Bucket digging force (kN)95
Bucket rod digging force (kN)65
Maximum tractive force (kN)114
Dynamic system
Engine model Caterpillar 3054C
Rated power (kw/rpm)59
Displacement (L)4.4
Cylinder diameter x stroke (mm)105 x 127
Cooling method Water cooling
Hydraulic system
Main pump maximum flow (l/min)232
Working hydraulic circuit (Mpa)30.5
Travel hydraulic circuit (Mpa)35
Rotary hydraulic circuit (Mpa)23
Pilot oil circuit (MPa)4.12
Pilot pump flow (L/min)21.9
Boom cylinders - Number × cylinder diameter × stroke (mm)2-110×1015
Bucket rod cylinder - Number × cylinder diameter × stroke (mm)1-120×1197
Bucket cylinder - Number × cylinder diameter × stroke (mm)1-100×939
Oil capacity
Fuel tank (L)250
Hydraulic tank (L)91
Hydraulic system (L)104
Engine oil change amount (L)16
Coolant (L)18
Body size
Total transport length (mm)7610
Total transport width (mm)2490
Total transport height (mm)2830
Full cab height (mm)2670
Counterweight ground clearance (mm)900
Total track length (mm)3490
Track gauge (mm)1990
Minimum ground clearance (mm)440
Back end turning radius (mm)2140
Scope of operation
Maximum excavation radius (mm)8180
Maximum digging depth (mm)5540
Maximum excavation height (mm)8490
Maximum unloading height (mm)6100
Maximum vertical digging depth (mm)4910
Maximum effective digging depth (mm)5340